Constructing an ultrastable imidazole covalent organic framework for concurrent uranium detection and recovery
Uranium is one of the most important strategic resources for the development of the nuclear industry, but its unintended release has created potential environmental and health risks. It is highly desired to explore new methods that enable concurrent uranium monitoring and recovery for environmental...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-03-01
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| Series: | Ecotoxicology and Environmental Safety |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0147651323001434 |
| _version_ | 1797902990788526080 |
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| author | Wei-Rong Cui Wei Xu Wei-Bin Qiu |
| author_facet | Wei-Rong Cui Wei Xu Wei-Bin Qiu |
| author_sort | Wei-Rong Cui |
| collection | DOAJ |
| description | Uranium is one of the most important strategic resources for the development of the nuclear industry, but its unintended release has created potential environmental and health risks. It is highly desired to explore new methods that enable concurrent uranium monitoring and recovery for environmental protection and sustainable development of the nuclear industry. Here, for the first time, an imidazole fluorescent covalent organic framework (named PyTT-Tp) with ultrastable skeleton and open nanopore channel is synthesized by condensing ammonium acetate, 1,3,5-triformylphloroglucinol and pyrene-4,5,9,10-tetrone. By precisely tailoring complexing ligands, PyTT-Tp shows an excellent uranium recovery capacity of 941.27 mg g−1 and reached equilibrium within 60 min, which can be attributed to dense selective uranium binding sites on the highly accessible open skeleton. In addition, due to the signal amplification of the pyrene-imidazole skeleton, it has an ultra-low detection limit of 4.92 nM UO22+ and an ultra-fast response time (2 s) suitable for on-site monitoring the uranium content of the extracted water. By modulating target complexing ligands, this approach can be extended to the monitoring and recovery of other strategic nuclides. |
| first_indexed | 2024-04-10T09:25:55Z |
| format | Article |
| id | doaj.art-d1ad23e90570419b91329c0868154a5b |
| institution | Directory Open Access Journal |
| issn | 0147-6513 |
| language | English |
| last_indexed | 2024-04-10T09:25:55Z |
| publishDate | 2023-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Ecotoxicology and Environmental Safety |
| spelling | doaj.art-d1ad23e90570419b91329c0868154a5b2023-02-20T04:08:46ZengElsevierEcotoxicology and Environmental Safety0147-65132023-03-01252114639Constructing an ultrastable imidazole covalent organic framework for concurrent uranium detection and recoveryWei-Rong Cui0Wei Xu1Wei-Bin Qiu2Jiangxi Key Laboratory of Organo-Pharmaceutical Chemistry, Chemistry and Chemical Engineering College, Gannan Normal University, Ganzhou 341000, PR ChinaJiangxi Key Laboratory of Organo-Pharmaceutical Chemistry, Chemistry and Chemical Engineering College, Gannan Normal University, Ganzhou 341000, PR ChinaCorrespondence to: Gannan Normal University, Chemistry and Chemical Engineering College, Ganzhou, Jiangxi Province 341000, China.; Jiangxi Key Laboratory of Organo-Pharmaceutical Chemistry, Chemistry and Chemical Engineering College, Gannan Normal University, Ganzhou 341000, PR ChinaUranium is one of the most important strategic resources for the development of the nuclear industry, but its unintended release has created potential environmental and health risks. It is highly desired to explore new methods that enable concurrent uranium monitoring and recovery for environmental protection and sustainable development of the nuclear industry. Here, for the first time, an imidazole fluorescent covalent organic framework (named PyTT-Tp) with ultrastable skeleton and open nanopore channel is synthesized by condensing ammonium acetate, 1,3,5-triformylphloroglucinol and pyrene-4,5,9,10-tetrone. By precisely tailoring complexing ligands, PyTT-Tp shows an excellent uranium recovery capacity of 941.27 mg g−1 and reached equilibrium within 60 min, which can be attributed to dense selective uranium binding sites on the highly accessible open skeleton. In addition, due to the signal amplification of the pyrene-imidazole skeleton, it has an ultra-low detection limit of 4.92 nM UO22+ and an ultra-fast response time (2 s) suitable for on-site monitoring the uranium content of the extracted water. By modulating target complexing ligands, this approach can be extended to the monitoring and recovery of other strategic nuclides.http://www.sciencedirect.com/science/article/pii/S0147651323001434UraniumFluorescenceCovalent organic frameworksDetectionRecovery |
| spellingShingle | Wei-Rong Cui Wei Xu Wei-Bin Qiu Constructing an ultrastable imidazole covalent organic framework for concurrent uranium detection and recovery Ecotoxicology and Environmental Safety Uranium Fluorescence Covalent organic frameworks Detection Recovery |
| title | Constructing an ultrastable imidazole covalent organic framework for concurrent uranium detection and recovery |
| title_full | Constructing an ultrastable imidazole covalent organic framework for concurrent uranium detection and recovery |
| title_fullStr | Constructing an ultrastable imidazole covalent organic framework for concurrent uranium detection and recovery |
| title_full_unstemmed | Constructing an ultrastable imidazole covalent organic framework for concurrent uranium detection and recovery |
| title_short | Constructing an ultrastable imidazole covalent organic framework for concurrent uranium detection and recovery |
| title_sort | constructing an ultrastable imidazole covalent organic framework for concurrent uranium detection and recovery |
| topic | Uranium Fluorescence Covalent organic frameworks Detection Recovery |
| url | http://www.sciencedirect.com/science/article/pii/S0147651323001434 |
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